<template>
  <view class="cart-container" v-if="cart.length !== 0">
    <!-- 收货地址组件 -->
    <my-address></my-address>
    <!-- 购物车商品列表区域 -->
    <view class="cart-title">
      <!-- 左侧图标 -->
      <uni-icons type="shop" size="18"></uni-icons>
      <!-- 描述文本 -->
      <text class="cart-title-text">购物车</text>
    </view>
    <!--  购物车列表 -->
    <uni-swipe-action ref="swipeAction"  @change="handleChange">
      <block v-for="(goods, index) in cart " :key="index">
        <uni-swipe-action-item :right-options="options" @click="swipeActionClickHandler(goods)" >
          <my-goods :goods="goods" :show-radio="true" :show-num="true" @radio-change="radioChangeHandler" @num-change="numberChangeHandler"></my-goods>
        </uni-swipe-action-item>
      </block>
    </uni-swipe-action>
    <!-- 结算区域 -->
    <my-settle></my-settle>
  </view>
  <view class="empty-cart" v-else>
    <image src="/static/cart_empty@2x.png" class="empty-image" ></image>
    <text class="tip-text">空空如也~</text>
  </view>
</template>

<script>
import badgeMix from '@/mixins/tabbar-badge.js'
import { mapState ,mapMutations } from 'vuex'
  export default {
    mixins: [badgeMix],
    computed: {
      ...mapState('my_cart', ['cart'])
    },
    data() {
      return {
        options: [{
          text: '删除', // 显示的文本内容
          style: {
            backgroundColor: '#C00000' // 按钮的背景颜色
          }
            }]
      };
    },
    methods: {
      ...mapMutations('my_cart',['updateGoodsState','updateGoodsCount','removeGoodsById']),
      radioChangeHandler(e) {
        // 调用更新 状态函数
        this.updateGoodsState(e)
        
      },
      numberChangeHandler(e){
        console.log(e)
        // 调用 更新 商品数量
        this.updateGoodsCount(e)

      },
      swipeActionClickHandler(goods){
        console.log(goods)
        // 调用 删除商品函数
        this.removeGoodsById(goods.goods_id)

        
        this.$refs.swipeAction.closeAll()
        
      },
    }
   
  }
</script>

<style lang="scss">
  .cart-container {
    padding-bottom: 50px;
  }
.cart-title {
  height: 40px;
  font-size: 14px;
  display: flex;
  border-bottom: 1px solid #efefef;
  padding-left: 5px;
  align-items: center;
  .cart-title-text {
    margin-left: 10px;
  }
}
.empty-cart {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 150px;
  .empty-image {
    height: 90px;
    width: 90px;
  }
  .tip-text {
    font-size: 12px;
    color: grey;
    margin-top: 15px;
  }
}
</style>
